(Fe_{2}(SO_{4})_{3}.(NH_{4})_{2}SO_{4} | | | | | slow M/10) | | | | | 11 Ferric chloride | - |Fair | + | |Slow (FeCl_{3} M/10-M/250) | | | | | 12 Ferrous sulfate | - |Fair | - | + |Slow (FeSO_{4} M/10-M/6,250) | | | | | 13 Copper sulfate | - | - | - | + |Very (CuSO_{4} M/5-M/125) | | | | | slow 14 Chromic acid | - |Bright| + | | + (CrO_{3} M/100) | | | | | 15 Chromic sulfate | - |Faint | - | + |Slow (Cr_{2}(SO_{4})_{3} 2 per cent) | | | | | 16 Chlorine water | - | - | + | | + 17 Bromine water | - | - | + | | + 18 Iodine in KI | - | - | + | | + 19 Sodium hypochlorite |Faint |Bright| + | | ++ (Cl water + NaOH) | flash| | | | 20 Sodium hypobromite |Faint |Bright| + | | ++ (NaOBr, bromine water + NaOH) | flash| | | | 21 Sodium hypoiodite | - |Faint | + | | + (I in KI + NaOH) | | | | | 22 Calcium hypochlorite | - |Good | + | | ++ (Ca(OCl)_{2} saturated solution) | | | | | 23 Turnip juice | - |Bright| - | + | ++ 24 Turnip juice heated to 70° | - |Faint | - | + |Very | | | | | slow 25 Turnip juice boiled | - | - | - | - | - 26 Albumin solution | - | - | - | - | - 27 Albumin solution + KMnO_{4} | - |Good | + | - | ++ 28 Albumin solution + KMnO_{4} boiled 1 min. | | | | | and filtered (no precipitate forms) | - |Good | + | - | ++ 29 Gelatin solution | - | - | - | - | - 30 Gelatin solution + KMnO_{4} | - |Good | - | - | ++ 31 Gelatin solution + KMnO_{4} boiled 1 min. | | | | | and filtered (no precipitate forms) | - |Good | + | - | ++ 32 Colloidal Ag | - |Bright| + | | + 33 Colloidal Pt | - |Bright| + | | + 34 Colloidal Fe(OH)_{2} (dilute) | - | - | - | + | -